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Harrison Pike Pump Station Upgrade and Standby Generator

CTI was retained to provide design and construction administration for the replacement of an old, canned-type pump station with a submersible station on Harrison Pike. The project was complicated by the fact that pump discharge flows can be directed through either or both of two force mains of different sizes. Pumps were designed with two operating conditions, 600-gpm and 310-gpm, depending on which force main is utilized.

Subsequently, Cleveland Utilities asked CTI to design a standby generator sized to run both pumps.

West Chickamuaga Creek Canoe Launch

CTI assisted Catoosa County with the design and construction of a canoe launch on West Chickamauga Creek on Cloud Springs Road. The launch was constructed by Integrated Concrete.
This project is part of a plan to provide launches that link points along the Tennessee River from East Ridge, along the Chickamauga Battlefield, to historic Mountain Cove.

Abitibi Bowater Riverbank Stabilization at Ponds 1, 2, and 3

The project repaired and stabilized approximately 1,200 linear feet of riverbank along the dike for Ponds 1, 2, and 3 on the Hiwassee River between Mile 16.6 and 17.8, where bank erosion and sloughing occurred in five places. The Hiwassee River is approximately 500 feet in width at this location. The riverbank, primarily a sandy silt, varies from 5 feet to 8 feet in height and is heavily vegetated.

Chattanooga Coke Site Remediation

Manufacturing operations at the Chattanooga Coke Plant began in the early 1900’s and ceased in 1987. In the mid 1990’s, the abandoned structures on the 24.5-acre site were razed, but concrete pads, footings, foundations, USTs, unused sumps, an oil/water separator, and a storm/sanitary sewer remained onsite.

Chickamauga City School Sidewalks

In this small historic town, many students live within walking distance of the elementary, middle, and high schools located in the central business district. The school system does not operate school buses, and until recently there were no sidewalks. This led to traffic congestion and potential safety hazards.

Morris Estates Drainage

Older portions of this well-established subdivision were constructed without the benefit of a complete storm water system. Runoff into these areas increased as a result of paving and grading in newer parts of the development. In the older areas, the streets served as drainageways, eventually overflowing into yards and homes.

49th Street and Gardendale Avenue Storm Sewer Design

The City of Canton retained the services of CTI Engineers, Inc. to perform the final design and plan preparation of the first two phases of storm sewer reconstruction plus detention facilities, in the Plain Center Estates area on the north side of town. The project provided approximately 5,000 LF of 18" to 60" storm sewer with appurtenances and restoration. The project was successfully completed with no major change orders, and is performing as intended, providing relief from flooding in the area.

17th Street Water Tower and Southside Gray Water Storage System and Streetscape

TANK
CTI provided design and construction phase services for a 16-foot-diameter by 75-foot-tall, 105,000-gallon capacity tank to store recaptured storm water from a 25-block area for irrigation of urban streetscape. The tank was named the Steel Plate Fabricators’ Tank of the Year.

STREETSCAPE
CTI also provided design through construction administration for a five-block streetscape project around the school. Landscaping around the academy is maintained with gray water from the 17th Street tank.

Flood Study and Regional Detention Ponds

The scope of work for the multi-phase project included hydrologic and hydraulic modeling of a 1.6-square-mile watershed, detailed flow analysis of 4.3 miles of stream channels, design of two regional detention ponds, construction management, and revisions to FEMA flood insurance maps for the entire drainage basin. CTI subsequently identified a third detention pond site and provided a fast-track design that allowed the City to complete construction of the pond by the Public Works Department 4 months later.

Wastewater Facilities Plan Update

CTI was engaged by the City of Chattanooga, Tennessee, to update the Wastewater Facilities Plan for the Chattanooga regional sewer system. The original Chattanooga, Tennessee-Georgia “201 Facilities Plan” was written in the 1970’s and provided the “blueprint” for one of the largest regional wastewater systems in the Southeast.